Home / 157,739.60-236,609.40-46,931.60

Finding the Fourth Proportional to 157,739.60, 236,609.40 and 46,931.60

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Solution

The fourth proportional to 157,739.60, 236,609.40 and 46,931.60 is: 70,397.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,739.60 : 236,609.40 = 46,931.60 : x
  2. Step 2: Convert to fraction form
    157,739.60/236,609.40 = 46,931.60/x
  3. Step 3: Cross multiply
    157,739.60x = 236,609.40 × 46,931.60
  4. Step 4: Simplify right side
    157,739.60x = 11,104,457,717.04
  5. Step 5: Solve for x
    x = 11,104,457,717.04/157,739.60
  6. Step 6: Final answer
    x = 70,397.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.